ld: vmlinux.o: in function `linkstate_prepare_data': linkstate.c:(.text+0x2119331): undefined reference to `phy_ethtool_get_link_ext_stats' ld: vmlinux.o: in function `stats_prepare_data': stats.c:(.text+0x212a6af): undefined reference to `phy_ethtool_get_phy_stats' make[3]: *** [../scripts/Makefile.vmlinux:77: vmlinux] Error 1 make[2]: *** [/home/nipa/net-next/wt-1/Makefile:1225: vmlinux] Error 2 make[2]: *** Waiting for unfinished jobs.... make[1]: *** [/home/nipa/net-next/wt-1/Makefile:251: __sub-make] Error 2 make: *** [Makefile:251: __sub-make] Error 2 ld: vmlinux.o: in function `linkstate_prepare_data': linkstate.c:(.text+0x2119331): undefined reference to `phy_ethtool_get_link_ext_stats' ld: vmlinux.o: in function `stats_prepare_data': stats.c:(.text+0x212a6af): undefined reference to `phy_ethtool_get_phy_stats' make[3]: *** [../scripts/Makefile.vmlinux:77: vmlinux] Error 1 make[2]: *** [/home/nipa/net-next/wt-1/Makefile:1225: vmlinux] Error 2 make[2]: *** Waiting for unfinished jobs.... make[1]: *** [/home/nipa/net-next/wt-1/Makefile:251: __sub-make] Error 2 make: *** [Makefile:251: __sub-make] Error 2